August 2018 Chemistry Regents Questions 11-20

Match it! Select the correct answer from the pull down...Good luck!

Which formula represents an asymmetrical molecule?

Which sample at STP has the same number of atoms as 18 liters of Ne(g) at STP?

At which temperature and pressure would a sample of helium behave most like an ideal gas?

Based on Table S, an atom of which element has the strongest attraction for electrons in a chemical bond?

Compared to H2S, the higher boiling point of H 2O is due to the

A cube of iron at 20.°C is placed in contact with a cube of copper at 60.°C. Which statement describes the initial flow of heat between the cubes?

A solid sample of copper is an excellent conductor of electric current. Which type of chemical bonds are in the sample?

Which statement describes the energy changes that occur as bonds are broken and formed during a chemical reaction?